@Test
public void testChildrenAggs() throws Exception {
SearchResponse searchResponse =
client()
.prepareSearch("test")
.setQuery(matchQuery("randomized", true))
.addAggregation(
terms("category")
.field("category")
.size(0)
.subAggregation(
children("to_comment")
.childType("comment")
.subAggregation(
terms("commenters")
.field("commenter")
.size(0)
.subAggregation(topHits("top_comments")))))
.get();
assertSearchResponse(searchResponse);
Terms categoryTerms = searchResponse.getAggregations().get("category");
assertThat(categoryTerms.getBuckets().size(), equalTo(categoryToControl.size()));
for (Map.Entry<String, Control> entry1 : categoryToControl.entrySet()) {
Terms.Bucket categoryBucket = categoryTerms.getBucketByKey(entry1.getKey());
assertThat(categoryBucket.getKey(), equalTo(entry1.getKey()));
assertThat(categoryBucket.getDocCount(), equalTo((long) entry1.getValue().articleIds.size()));
Children childrenBucket = categoryBucket.getAggregations().get("to_comment");
assertThat(childrenBucket.getName(), equalTo("to_comment"));
assertThat(childrenBucket.getDocCount(), equalTo((long) entry1.getValue().commentIds.size()));
assertThat(
(long) childrenBucket.getProperty("_count"),
equalTo((long) entry1.getValue().commentIds.size()));
Terms commentersTerms = childrenBucket.getAggregations().get("commenters");
assertThat((Terms) childrenBucket.getProperty("commenters"), sameInstance(commentersTerms));
assertThat(
commentersTerms.getBuckets().size(),
equalTo(entry1.getValue().commenterToCommentId.size()));
for (Map.Entry<String, Set<String>> entry2 :
entry1.getValue().commenterToCommentId.entrySet()) {
Terms.Bucket commentBucket = commentersTerms.getBucketByKey(entry2.getKey());
assertThat(commentBucket.getKey(), equalTo(entry2.getKey()));
assertThat(commentBucket.getDocCount(), equalTo((long) entry2.getValue().size()));
TopHits topHits = commentBucket.getAggregations().get("top_comments");
for (SearchHit searchHit : topHits.getHits().getHits()) {
assertThat(entry2.getValue().contains(searchHit.getId()), is(true));
}
}
}
}
@Test
public void testParentWithMultipleBuckets() throws Exception {
SearchResponse searchResponse =
client()
.prepareSearch("test")
.setQuery(matchQuery("randomized", false))
.addAggregation(
terms("category")
.field("category")
.size(0)
.subAggregation(
children("to_comment")
.childType("comment")
.subAggregation(topHits("top_comments").addSort("_id", SortOrder.ASC))))
.get();
assertSearchResponse(searchResponse);
Terms categoryTerms = searchResponse.getAggregations().get("category");
assertThat(categoryTerms.getBuckets().size(), equalTo(3));
for (Terms.Bucket bucket : categoryTerms.getBuckets()) {
logger.info("bucket=" + bucket.getKey());
Children childrenBucket = bucket.getAggregations().get("to_comment");
TopHits topHits = childrenBucket.getAggregations().get("top_comments");
logger.info("total_hits={}", topHits.getHits().getTotalHits());
for (SearchHit searchHit : topHits.getHits()) {
logger.info(
"hit= {} {} {}", searchHit.sortValues()[0], searchHit.getType(), searchHit.getId());
}
}
Terms.Bucket categoryBucket = categoryTerms.getBucketByKey("a");
assertThat(categoryBucket.getKey(), equalTo("a"));
assertThat(categoryBucket.getDocCount(), equalTo(3l));
Children childrenBucket = categoryBucket.getAggregations().get("to_comment");
assertThat(childrenBucket.getName(), equalTo("to_comment"));
assertThat(childrenBucket.getDocCount(), equalTo(2l));
TopHits topHits = childrenBucket.getAggregations().get("top_comments");
assertThat(topHits.getHits().totalHits(), equalTo(2l));
assertThat(topHits.getHits().getAt(0).sortValues()[0].toString(), equalTo("a"));
assertThat(topHits.getHits().getAt(0).getId(), equalTo("a"));
assertThat(topHits.getHits().getAt(0).getType(), equalTo("comment"));
assertThat(topHits.getHits().getAt(1).sortValues()[0].toString(), equalTo("c"));
assertThat(topHits.getHits().getAt(1).getId(), equalTo("c"));
assertThat(topHits.getHits().getAt(1).getType(), equalTo("comment"));
categoryBucket = categoryTerms.getBucketByKey("b");
assertThat(categoryBucket.getKey(), equalTo("b"));
assertThat(categoryBucket.getDocCount(), equalTo(2l));
childrenBucket = categoryBucket.getAggregations().get("to_comment");
assertThat(childrenBucket.getName(), equalTo("to_comment"));
assertThat(childrenBucket.getDocCount(), equalTo(1l));
topHits = childrenBucket.getAggregations().get("top_comments");
assertThat(topHits.getHits().totalHits(), equalTo(1l));
assertThat(topHits.getHits().getAt(0).getId(), equalTo("c"));
assertThat(topHits.getHits().getAt(0).getType(), equalTo("comment"));
categoryBucket = categoryTerms.getBucketByKey("c");
assertThat(categoryBucket.getKey(), equalTo("c"));
assertThat(categoryBucket.getDocCount(), equalTo(2l));
childrenBucket = categoryBucket.getAggregations().get("to_comment");
assertThat(childrenBucket.getName(), equalTo("to_comment"));
assertThat(childrenBucket.getDocCount(), equalTo(1l));
topHits = childrenBucket.getAggregations().get("top_comments");
assertThat(topHits.getHits().totalHits(), equalTo(1l));
assertThat(topHits.getHits().getAt(0).getId(), equalTo("c"));
assertThat(topHits.getHits().getAt(0).getType(), equalTo("comment"));
}